1*3ba477b1Schuck /* $NetBSD: uvm_fault.h,v 1.20 2011/02/02 15:13:34 chuck Exp $ */ 2f2caacc7Smrg 3f2caacc7Smrg /* 4f2caacc7Smrg * Copyright (c) 1997 Charles D. Cranor and Washington University. 5f2caacc7Smrg * All rights reserved. 6f2caacc7Smrg * 7f2caacc7Smrg * Redistribution and use in source and binary forms, with or without 8f2caacc7Smrg * modification, are permitted provided that the following conditions 9f2caacc7Smrg * are met: 10f2caacc7Smrg * 1. Redistributions of source code must retain the above copyright 11f2caacc7Smrg * notice, this list of conditions and the following disclaimer. 12f2caacc7Smrg * 2. Redistributions in binary form must reproduce the above copyright 13f2caacc7Smrg * notice, this list of conditions and the following disclaimer in the 14f2caacc7Smrg * documentation and/or other materials provided with the distribution. 15f2caacc7Smrg * 16f2caacc7Smrg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17f2caacc7Smrg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18f2caacc7Smrg * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19f2caacc7Smrg * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20f2caacc7Smrg * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21f2caacc7Smrg * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22f2caacc7Smrg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23f2caacc7Smrg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24f2caacc7Smrg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25f2caacc7Smrg * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 261f6b921cSmrg * 271f6b921cSmrg * from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp 28f2caacc7Smrg */ 29f2caacc7Smrg 30021fdb64Sperry #ifndef _UVM_UVM_FAULT_H_ 31021fdb64Sperry #define _UVM_UVM_FAULT_H_ 32021fdb64Sperry 33f2caacc7Smrg /* 34f2caacc7Smrg * fault data structures 35f2caacc7Smrg */ 36f2caacc7Smrg 37f2caacc7Smrg /* 38f2caacc7Smrg * uvm_faultinfo: to load one of these fill in all orig_* fields and 39f2caacc7Smrg * then call uvmfault_lookup on it. 40f2caacc7Smrg */ 41f2caacc7Smrg 42f2caacc7Smrg 43f2caacc7Smrg struct uvm_faultinfo { 44821ec03eSchs struct vm_map *orig_map; /* IN: original map */ 451b59a238Schuck vaddr_t orig_rvaddr; /* IN: original rounded VA */ 461b59a238Schuck vsize_t orig_size; /* IN: original size of interest */ 47821ec03eSchs struct vm_map *map; /* map (could be a submap) */ 481b59a238Schuck unsigned int mapv; /* map's version number */ 49821ec03eSchs struct vm_map_entry *entry; /* map entry (from 'map') */ 50a2dd74edSeeh vsize_t size; /* size of interest */ 51f2caacc7Smrg }; 52f2caacc7Smrg 53abb48c5bSthorpej #ifdef _KERNEL 54abb48c5bSthorpej 55f2caacc7Smrg /* 56f2caacc7Smrg * fault prototypes 57f2caacc7Smrg */ 58f2caacc7Smrg 59325f5482Sjunyoung int uvmfault_anonget(struct uvm_faultinfo *, struct vm_amap *, 60325f5482Sjunyoung struct vm_anon *); 61f2caacc7Smrg 62e10923fdSdrochner int uvm_fault_wire(struct vm_map *, vaddr_t, vaddr_t, vm_prot_t, int); 63325f5482Sjunyoung void uvm_fault_unwire(struct vm_map *, vaddr_t, vaddr_t); 64325f5482Sjunyoung void uvm_fault_unwire_locked(struct vm_map *, vaddr_t, vaddr_t); 65f2caacc7Smrg 66abb48c5bSthorpej #endif /* _KERNEL */ 67abb48c5bSthorpej 68021fdb64Sperry #endif /* _UVM_UVM_FAULT_H_ */ 69